Cowans Gap Lake Weather Forecast

    • 57
    • 78

    Decreasing Clouds

    • 54
    • 77

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 68
    • 84

    Partly Sunny

    • 58
    • 78

    Partly Sunny

Today 5 Sep Fulton

Partly sunny with a chance of Showers and Thunderstorms. Highs around 80. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 5 Sep Fulton

Partly cloudy. Cooler with Lows in the upper 50s. North Winds around 5 Mph.

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  • Temperature Real-Time

Cowans Gap Lake Temperature Statistics

September Temperature

Hagerstown, Washington County Regional Airport (22.4 miles)

  • Lowest 2 September, 2026

    70.6 °F

  • Average September

    79.1 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Hagerstown, Washington County Regional Airport (22.4 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66 °F
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